The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at an undetermined speed, the vehicle was shaking while shifting gears. The contact stated while shifting from four cylinders to eight cylinders, the rear-end was shaking violently. The hood latch warning light was illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the tires needed to be replaced. The tires were replaced three times however, the failure persisted. The manufacturer was not contacted. The failure mileage was approximately 50,000.

- Sunapee, NH, USA

The contact owns a 2018 GMC Sierra 1500 equipped with Goodyear Wrangler sr-a tires, size: 265/60R2. While driving 75 mph, the contact noticed that all the tires had bubbles. The vehicle was taken to coulter Buick GMC tempe (7780 S autoplex loop, tempe, AZ 85284, (480) 448-2471) for diagnostic testing where it was confirmed that the tread separated from the tires, which needed to be replaced. The tires were not replaced. The manufacturer was notified of the failure and informed the contact to call Goodyear. The manufacturer provided case number: 1692419. The approximate vehicle failure mileage was 24,600. The tire failure mileage was 932.

- Cathedral City, CA, USA